Home / 751,077.16-1,036,482.18-406,919.90

Finding the Fourth Proportional to 751,077.16, 1,036,482.18 and 406,919.90

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Solution

The fourth proportional to 751,077.16, 1,036,482.18 and 406,919.90 is: 561,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,077.16 : 1,036,482.18 = 406,919.90 : x
  2. Step 2: Convert to fraction form
    751,077.16/1,036,482.18 = 406,919.90/x
  3. Step 3: Cross multiply
    751,077.16x = 1,036,482.18 × 406,919.90
  4. Step 4: Simplify right side
    751,077.16x = 421,765,226,102.64
  5. Step 5: Solve for x
    x = 421,765,226,102.64/751,077.16
  6. Step 6: Final answer
    x = 561,547.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.